package day03;

/** 字符串连接运算符 */
public class OperDemo5 {
    public static void main(String[] args) {
        // 字符串连接运算符：+
        int age = 40;
        System.out.println("age=");// age=
        System.out.println(age);// 40
        System.out.println("age="+age);// age=40

        String name = "WKJ";
        System.out.println("大家好，我叫"+name);// 大家好，我叫WKJ
        System.out.println("大家好，我叫"+name+",今年"+age+"岁了");// 大家好，我叫WKJ,今年40岁了

        System.out.println(10+20+""+30);// 3030---------------String
        System.out.println(""+10+20+30);//102030--------------Stirng
        System.out.println(10+20+30+"");//60------------------String
    }
}
